ProtoConn
Pakequis·ProtoConn·Hardware/ProtoConn.kicad_pcb
About the ProtoConn PCB
ProtoConn is an open source PCB design by Pakequis, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 200.7 × 185.4 mm, with 151 components from 41 distinct parts.
Other key parts include the LM78XX TO220. By type, the board carries 76 connectors, 35 resistors, 13 switches, 12 jumpers, 9 diodes and 4 capacitors.
It belongs with the dev boards & breakouts and wearables designs in this gallery.
From the project
A prototype board with connectors for electronic testing and development.
This work is licensed under a [Creative Commons Attribution-ShareAlike 4.0 International License][cc-by-sa].
[cc-by-sa]: http://creativecommons.org/licenses/by-sa/4.0/ [cc-by-sa-image]: https://licensebuttons.net/l/by-sa/4.0/88x31.png [cc-by-sa-shield]: https://img.shields.io/badge/License-CC%20BY--SA%204.0-lightgrey.svg
This open-hardware prototype board was created as a practical tool to simplify and speed up prototyping. With connectors for various functions, it’s designed to make development more flexible and efficient.

Main components on the ProtoConn
ProtoConn bill of materials (BOM)
151 components, 41 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM78XX TO220 | TO-220-3_Vertical | U1 |
| 1 | USB A | USB_A_CONNFLY_DS1095-WNR0 | J1 |
| 1 | USB B | USB_B_Lumberg_2411_02_Horizontal | J2 |
| 1 | NMJ6HCD3 | Jack_6.35mm_Neutrik_NMJ6HCD3_Horizontal | J3 |
| 4 | 01x03 | PinSocket_1x03_P2.54mm_Vertical | J4, J5, J38, J98 |
| 1 | 02x10 | PinHeader_2x10_P2.54mm_Vertical | J6 |
| 11 | 01x04 | PinHeader_1x04_P2.54mm_Vertical | J7, J8, J14, J15, J22, J37, J53, J59 +3 |
| 1 | PJ-320A | PJ-320A | J9 |
| 1 | USB C | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J17 |
| 7 | 01x06 | PinHeader_1x06_P2.54mm_Vertical | J18, J21, J25, J34, J88, J100, J101 |
| 1 | 01x09 | PinHeader_1x09_P2.54mm_Vertical | J24 |
| 1 | Barrel Jack | BarrelJack_Kycon_KLDX-0202-xC_Horizontal | J26 |
| 2 | Screw 01x02 | TerminalBlock_bornier-2_P5.08mm | J28, J95 |
| 10 | 01x02 | PinHeader_1x02_P2.54mm_Vertical | J30, J36, J42, J43, J44, J48, J49, J50 +2 |
| 1 | 02x04 | PinHeader_2x04_P2.54mm_Vertical | J32 |
| 1 | RCA 1 | RCA-105-105A | J39 |
| 1 | RCA 2 | RCA-105-105A | J40 |
| 1 | RCA 3 | RCA-105-105A | J41 |
| 1 | Conn_01x08 | PinHeader_1x08_P2.54mm_Vertical | J52 |
| 4 | 01x12 | PinHeader_1x12_P2.54mm_Vertical | J61, J63, J69, J73 |
Show 21 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 7 | 01x10 | PinHeader_1x10_P2.54mm_Vertical | J62, J68, J70, J71, J81, J85, J93 |
| 2 | 01x12 | PinSocket_1x12_P2.54mm_Vertical | J64, J66 |
| 3 | 01x10 | PinSocket_1x10_P2.54mm_Vertical | J65, J67, J91 |
| 3 | 01x20 | PinSocket_1x20_P2.54mm_Vertical | J72, J74, J75 |
| 2 | 01x20 | PinHeader_1x20_P2.54mm_Vertical | J77, J80 |
| 1 | 02x20 | PinHeader_2x20_P2.54mm_Vertical | J78 |
| 1 | 02x05 50 mils (1.27 mm) | PinHeader_2x05_P1.27mm_Vertical | J82 |
| 1 | 02x05 | PinHeader_2x05_P2.54mm_Vertical | J84 |
| 2 | 01x08 | PinHeader_1x08_P2.54mm_Vertical | J87, J94 |
| 2 | 01x08 | PinSocket_1x08_P2.54mm_Vertical | J89, J92 |
| 1 | 01x06 | PinSocket_1x06_P2.54mm_Vertical | J90 |
| 11 | Jumper | PinHeader_1x02_P2.54mm_Vertical | JP1, JP2, JP5, JP6, JP7, JP8, JP9, JP12 +3 |
| 1 | Jumper_2_Open | PinHeader_1x02_P2.54mm_Vertical | JP4 |
| 1 | Pot. | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV1 |
| 1 | SW_SPDT | SW_Slide_SPDT_Straight_CK_OS102011MS2Q | SW1 |
| 12 | SW_Push_45deg | SW_PUSH_6mm | SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10 +4 |
| 9 | LED | LED_0603_1608Metric | D1, D3, D4, D5, D6, D7, D8, D9 +1 |
| 2 | C | CP_Radial_D5.0mm_P2.50mm | C1, C5 |
| 2 | C 0603 | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C7 |
| 28 | 0603 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R16, R17, R18, R19, R22, R31 +20 |
| 7 | R | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R75, R76, R77, R78, R79, R80, R81 |
ProtoConn design files
The KiCad project lives in the Pakequis/ProtoConn repository on GitHub; these links point at the commit this page was built from.
- LayoutHardware/ProtoConn.kicad_pcb
- SchematicHardware/ProtoConn.kicad_sch
ProtoConn: common questions
How big is the ProtoConn PCB?
The ProtoConn measures 200.7 × 185.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ProtoConn?
151 components, from 41 distinct parts. The full bill of materials is listed on this page.
Where can I download the ProtoConn design files?
From the Pakequis/ProtoConn repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ProtoConn design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which Pakequis chose for the repository.
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